Servo Trouble

I am trying to use a Micro 9g Servo for Futaba Hitec HS-55 GWS walkera RC with a KC5188 controller. I have 6 of the servos and they do not work with the servo library. Can anyone help? I would really appreciate it.

Not without some information.

How have you powered / connected them?

What is the power supply(s)?

Where is the datasheet about these servos?